Translation:She bought that pair of green shoes.
Again does not accept 他 instead of 她 for the audio exercise. In another question it may be the other way. So, should we memorize all the examples where Duo uses 他 or 她? Fix it for all the questions or remove phrases with homophones for Christ's sake. But, of course, the authors of the course don't read the forum, and there is no way to contact them.